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Diffstat (limited to 'test/syscalls/linux/base_poll_test.h')
-rw-r--r-- | test/syscalls/linux/base_poll_test.h | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/test/syscalls/linux/base_poll_test.h b/test/syscalls/linux/base_poll_test.h deleted file mode 100644 index 088831f9f..000000000 --- a/test/syscalls/linux/base_poll_test.h +++ /dev/null @@ -1,101 +0,0 @@ -// Copyright 2018 The gVisor Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#ifndef GVISOR_TEST_SYSCALLS_BASE_POLL_TEST_H_ -#define GVISOR_TEST_SYSCALLS_BASE_POLL_TEST_H_ - -#include <signal.h> -#include <sys/syscall.h> -#include <sys/types.h> -#include <syscall.h> -#include <time.h> -#include <unistd.h> - -#include <memory> - -#include "gtest/gtest.h" -#include "absl/synchronization/mutex.h" -#include "absl/time/time.h" -#include "test/util/logging.h" -#include "test/util/signal_util.h" -#include "test/util/thread_util.h" - -namespace gvisor { -namespace testing { - -// TimerThread is a cancelable timer. -class TimerThread { - public: - TimerThread(absl::Time deadline, pid_t tgid, pid_t tid) - : thread_([=] { - mu_.Lock(); - mu_.AwaitWithDeadline(absl::Condition(&cancel_), deadline); - if (!cancel_) { - TEST_PCHECK(tgkill(tgid, tid, SIGALRM) == 0); - } - mu_.Unlock(); - }) {} - - ~TimerThread() { Cancel(); } - - void Cancel() { - absl::MutexLock ml(&mu_); - cancel_ = true; - } - - private: - mutable absl::Mutex mu_; - bool cancel_ GUARDED_BY(mu_) = false; - - // Must be last to ensure that the destructor for the thread is run before - // any other member of the object is destroyed. - ScopedThread thread_; -}; - -// Base test fixture for poll, select, ppoll, and pselect tests. -// -// This fixture makes use of SIGALRM. The handler is saved in SetUp() and -// restored in TearDown(). -class BasePollTest : public ::testing::Test { - protected: - BasePollTest(); - ~BasePollTest() override; - - // Sets a timer that will send a signal to the calling thread after - // `duration`. - void SetTimer(absl::Duration duration); - - // Returns true if the timer has fired. - bool TimerFired() const; - - // Stops the pending timer (if any) and clear the "fired" state. - void ClearTimer(); - - private: - // Thread that implements the timer. If the timer is stopped, timer_ is null. - // - // We have to use a thread for this purpose because tests using this fixture - // expect to be interrupted by the timer signal, but itimers/alarm(2) send - // thread-group-directed signals, which may be handled by any thread in the - // test process. - std::unique_ptr<TimerThread> timer_; - - // The original SIGALRM handler, to restore in destructor. - struct sigaction original_alarm_sa_; -}; - -} // namespace testing -} // namespace gvisor - -#endif // GVISOR_TEST_SYSCALLS_BASE_POLL_TEST_H_ |